Finding the Fourth Proportional to 2,281.62, 3,145.86 and 1,926.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.62 : 3,145.86 = 1,926.91 : x
2. Step 2: Convert to fraction form
   2,281.62/3,145.86 = 1,926.91/x
3. Step 3: Cross multiply
   2,281.62x = 3,145.86 × 1,926.91
4. Step 4: Simplify right side
   2,281.62x = 6,061,807.29
5. Step 5: Solve for x
   x = 6,061,807.29/2,281.62
6. Step 6: Final answer
   x = 2,656.80